5.9A Ecosystems and Interdependence

5.9A Ecosystems and Interdependence

Open Ended

How did the wolves affect the ecosystems in Yellowstone National Park?

Multiple Choice

Many gardeners use red worms like the ones shown in the photograph to turn vegetable and fruit scraps into topsoil for plants. The gardeners build a worm farm in a large container lined in old newspapers and filled with moist garden soil. The worms eat about half their body weight daily in produce waste that can be used as plant fertilizer. The container for a warm farm needs to have a lid, but the lid must be left partially open because worms require which of the following in order to survive?

• Oxygen

• Sunlight

• Carbon dioxide

• All of these

Multiple Choice

Green anole lizards are bright green reptiles native to the southeastern United States and the Caribbean islands. They can be kept in terrariums to study their behavior and how they interact with their environment. Which observation describes this anole lizard interacting with the living elements in its environment?

• The anole rested on one of the rocks and lifted its head toward the light.

• The anole climbed the plant and then ate a cricket off one of the leaves.

• The anole drank some water and then ran across the sand

• The anole jumped from the rock and scattered sand with its tail

Multiple Choice

A farmer is reading a nature guide to learn how to make changes to a pond so that it will attract and support wildlife. The guide gives the suggestion listed below. Which suggestions involves interactions between two groups of living organisms

• Suggestion 1

• Suggestion 2

• Suggestion 3

• Suggestion 4

Multiple Choice

The picture show two views of a certain fish. How does the appearance of this fish most likely help it survive?

• Prey have little chance of seeing this fish as it approaches head-on

• The head-on view of this fish attracts predators

• The narrow body allows this fish to live in deep water

• Predators have a hard time seeing the side view of this fish.

Multiple Choice

The table lists ways that four organisms obtain energy. Which organism obtains energy without depending on another organism? (5.9A)

• Oak tree

• Mushroom

• Cottontail rabbit

• Mountain lion

Multiple Choice

An African savanna is a grassland with shrubs and a few small trees. It has warm temperatures all year long, a dry winter season, and a rainy summer season. Which group of animals is most likely supported by an African savanna? (3.9A)

Multiple Select

In this food web, select all of the animals which are primary consumers.

• squirrel

• blue bird

• wolf

• deer

Multiple Choice

What will happen to the rabbit population if the owl population becomes bigger?

• The rabbit population will become smaller

• The rabbit population will become bigger

• The rabbit population will stay the same

Multiple Choice

Which picture does NOT show a WETLANDS ecosystem?

Multiple Choice

____________ do not grow, need food, or reproduce.

• Living things

• Organisms

• Ecosystems

• Nonliving things

Multiple Choice

Which of the following is NOT a consumer?

• Plants
• Polar Bear
• Oxen
• Insects

Multiple Choice

What is the main energy source for this food chain?

• Berries
• Squirrel
• Bobcat
• Sun

Multiple Choice

An African savanna is a grassland with shrubs and a few small trees. It has warm temperatures all year long, a dry winter season, and a rainy summer season. Which group of animals is most likely supported by an African savanna? (3.9A)

Multiple Choice

A teacher is setting up the terrarium shown below in a science classroom. Which of these organisms is best suited for the terrarium? (3.9A)

• Blue jay

• Lobster

• Snail

• Water lily

Multiple Choice

Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. How do these actions most benefit plants? (5.9A)

• By returning nutrients to the soil

• By releasing oxygen into the air

• By making space for new animals

• By decreasing the population of herbivores

Multiple Choice

Which picture shows a change that humans made that is HELPFUL to their ecosystem?

Multiple Choice

Which picture shows a TUNDRA ecosystem?

Multiple Choice

The living and non-living things interacting in a community.

• abiotic

• carnivore

• ecosystem

• biotic